export function formatDate(e){
    try{

        if(!(e instanceof Date)){
            e = new Date(e)
        }
        let year = e.getFullYear();
        let month = e.getMonth()+1;
        let date = e.getDate();

        return [year,month,date].map(v=>{
            return (v+'').length>1?v:0+v
        }).join('/')
    }catch(error){
        throw new Error(e+'必须是符合日期的字符串，或者时间戳，或者日期对象')
    }

}